World's First...

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This blog contains the information about few things that are know as world's first things.

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"Radio Frequency Identification - RFID"

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" MAIN OBJECTIVE OF THIS ARTICLE" ü Know what is RFID? ü Know the components of an RFID System ü Applications of RFID and implementation of RFID in respective fields “Radio Frequency Identification” - (RFID) can be seen as a micro-chip in a label used to transmit data when it is exposed to radio waves. RFID use of radio waves to read and capture information stored on a tag attached to an object.  A tag can be read from up to several feet away and does not need to be within direct line-of-sight of the reader to be tracked.   Radio-frequency identification ( RFID ) uses electromagnetic fields to automatically identify and track tags attached to objects. The tags contain electronically-stored information. Passive tags collect energy from a nearby RFID reader's interrogating radio waves. Active tags have a local power source (such as a battery) and may operate hundreds of meters from the RFID reader. Unlike a barcode, the tag need not be within the
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Ubiquitous Computing

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Abstract: This article discusses the challenges in computer systems research posed by the emerging field of ubiquitous computing also called pervasive computing, which is the emerging domain that implements communication technologies into day-to-day life activities. This article provides a classification of the research areas on the ubiquitous computing paradigm. This article also discusses about different waves of computing, its classification and some projects can be implemented. Introduction: Mark Weiser coined the phrase "ubiquitous computing" around 1988, during his tenure as Chief Technologist of the Xerox Palo Alto Research Center (PARC). Both alone and with PARC Director and Chief Scientist John Seely Brown, Weiser wrote some of the earliest papers on the subject, largely defining it and sketching out its major concerns. It is a concept in software engineering and computer science where computing is made to appear anytime and everywhere. In contrast to des
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